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  1. lennoc

    Grain Type post weld in Grade 1 titanium

    hi all, I have another question in relation to weld structures in cp grade 1 weld. I see the coarsening of the grain compared to the base metal, but what are the structures I have highlighted in red. are these pockets of alpha case...
  2. lennoc

    Tear structures in ti welds

    thanks metengr, these samples were subject to a tear test. sample 1 had a 20% lower tear strength than sample 2. I was wondering does the torn edge characteristics as seen in the image indicate any distinguishable differences?
  3. lennoc

    Tear structures in ti welds

    second image attachedhttp://files.engineering.com/getfile.aspx?folder=5066915b-b043-486e-9e9d-a0ebf9f3dc33&file=2.jpg
  4. lennoc

    Tear structures in ti welds

    Hi Folks, Is there anything to be noted from macroscopic images, in the difference of a tear surface between two ti welds as seen in the attached images? Or would SEM be required?
  5. lennoc

    Grain Type post weld in Grade 1 titanium

    Hi Folks, I have attached an old image of a butt joint laser weld from thin sheet grade 1 titanium . The quality of the image is poor however I am slighty confused as to what the grain structure and type of this sample is post weld. I can see both alpha and beta phases present which should not...

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